1994 Has Title

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In this paper it is proposed a circuit configuration that implement the advantages
of the presented topologies that uses common ... That solution makes this UPS
topology possible to work in any conventional utility AC voltage (1 10V/220V). ...
3, is used to perform battery charging regulation. ... Due to the high voltage of the
DC link required by the 220Vac utility supply, an autotransformer with three tapsanbsp;...